Research And Implement Of Multi-security Domain's Electronic Document Seal System

Currently our government is vigorously promoting electronic government and electronic business, the development of electronic government has not only improved the efficiency, cost savings, from the technical means, it can also achieve some function which paper files can not. As electronic documents systems are the core of electronic government and office automation, the study of how to use electronic signature technology to protect the security of the electronic documents system is of great significance.From the aspect of concept, electronic seal is to be achieved in the same function of traditional seal, based on digital signature and public key infrastructure, it exists in electronic files in electronic forms, mainly resolves the problem of electronic document's stamp and signature, and assures the authenticity , integrity, reliability and non-repudiation of electronic documents.Accompanied by the implementation of the national electronic signature law and the prevalence of electronic government and electronic business' , the application of multi-security domain's information exchange and file transfer becomes more and more, so it needs solving scheme of multi-security domain's authentication. Current solving scheme is PKI, but PKI adapts to large-scale network environment and expends more. In response to electronic seal system's application environment and new requirements, this article mainly studies multi-security domain's certificate method, sets up multi-security...